I heard potato (and you had to burry the part you didn't use) and garlic (with no magical ritual), and they both worked well. Back when the duct tape study cam

I heard potato (and you had to burry the part you didn't use) and garlic (with no magical ritual), and they both worked well. Back when the duct tape study came out, one theory was that anything irritating the area enough to get the immune system to kick in would work. For people who haven't ready the article, duct tape worked twice as well as cryothérapie.